5 Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
7 Copyright (C) 1997 - 2000 Pekka Riikonen
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
24 /* Forward declaration for SILC Server object. The actual object is
25 defined in internal header file for server routines. I want to keep
26 the object private hence this declaration. */
27 typedef struct SilcServerStruct *SilcServer;
29 #define SILC_SERVER_MAX_CONNECTIONS 10000
31 /* General definitions */
33 /* Server and router. Used internally by the code. */
37 /* Connection retry timeout. We implement exponential backoff algorithm
38 in connection retry. The interval of timeuot grows when retry count
40 #define SILC_SERVER_RETRY_COUNT 4 /* Max retry count */
41 #define SILC_SERVER_RETRY_MULTIPLIER 7 / 4 /* Interval growth */
42 #define SILC_SERVER_RETRY_RANDOMIZER 2 /* timeout += rnd % 2 */
43 #define SILC_SERVER_RETRY_INTERVAL_MIN 10 /* Min retry timeout */
44 #define SILC_SERVER_RETRY_INTERVAL_MAX 600 /* Max generated timeout */
49 Structure to hold various default parameters for server that can be
50 given before running the server.
54 unsigned int retry_count;
55 unsigned long retry_interval_min;
56 unsigned long retry_interval_min_usec;
57 unsigned long retry_interval_max;
58 unsigned int retry_keep_trying;
60 unsigned long protocol_timeout;
61 unsigned long protocol_timeout_usec;
66 /* This macro is used to send notify messages with formatted string. The
67 string is formatted with arguments and the formatted string is sent as
69 #define SILC_SERVER_SEND_NOTIFY(server, sock, type, fmt) \
71 char *__fmt__ = silc_format fmt; \
72 silc_server_send_notify(server, sock, type, 1, __fmt__, strlen(__fmt__)); \
77 int silc_server_alloc(SilcServer *new_server);
78 void silc_server_free(SilcServer server);
79 int silc_server_init(SilcServer server);
80 void silc_server_run(SilcServer server);
81 void silc_server_stop(SilcServer server);
82 void silc_server_packet_parse(SilcPacketParserContext *parser_context);
83 void silc_server_packet_parse_type(SilcServer server,
84 SilcSocketConnection sock,
85 SilcPacketContext *packet);
86 void silc_server_packet_send(SilcServer server,
87 SilcSocketConnection sock,
89 SilcPacketFlags flags,
91 unsigned int data_len,
93 void silc_server_packet_send_dest(SilcServer server,
94 SilcSocketConnection sock,
96 SilcPacketFlags flags,
98 SilcIdType dst_id_type,
100 unsigned int data_len,
102 void silc_server_packet_forward(SilcServer server,
103 SilcSocketConnection sock,
104 unsigned char *data, unsigned int data_len,
106 void silc_server_packet_broadcast(SilcServer server,
107 SilcSocketConnection sock,
108 SilcPacketContext *packet);
109 void silc_server_packet_send_to_channel(SilcServer server,
110 SilcChannelEntry channel,
113 unsigned int data_len,
115 void silc_server_packet_relay_to_channel(SilcServer server,
116 SilcSocketConnection sender_sock,
117 SilcChannelEntry channel,
119 SilcIdType sender_type,
121 unsigned int data_len,
123 void silc_server_packet_send_local_channel(SilcServer server,
124 SilcChannelEntry channel,
126 SilcPacketFlags flags,
128 unsigned int data_len,
130 void silc_server_packet_relay_command_reply(SilcServer server,
131 SilcSocketConnection sock,
132 SilcPacketContext *packet);
133 void silc_server_close_connection(SilcServer server,
134 SilcSocketConnection sock);
135 void silc_server_free_sock_user_data(SilcServer server,
136 SilcSocketConnection sock);
137 void silc_server_remove_from_channels(SilcServer server,
138 SilcSocketConnection sock,
139 SilcClientEntry client);
140 int silc_server_remove_from_one_channel(SilcServer server,
141 SilcSocketConnection sock,
142 SilcChannelEntry channel,
143 SilcClientEntry client,
145 int silc_server_client_on_channel(SilcClientEntry client,
146 SilcChannelEntry channel);
147 void silc_server_disconnect_remote(SilcServer server,
148 SilcSocketConnection sock,
149 const char *fmt, ...);
150 void silc_server_private_message(SilcServer server,
151 SilcSocketConnection sock,
152 SilcPacketContext *packet);
153 void silc_server_channel_message(SilcServer server,
154 SilcSocketConnection sock,
155 SilcPacketContext *packet);
156 void silc_server_channel_key(SilcServer server,
157 SilcSocketConnection sock,
158 SilcPacketContext *packet);
159 void silc_server_send_motd(SilcServer server,
160 SilcSocketConnection sock);
161 void silc_server_send_error(SilcServer server,
162 SilcSocketConnection sock,
163 const char *fmt, ...);
164 void silc_server_send_notify(SilcServer server,
165 SilcSocketConnection sock,
167 unsigned int argc, ...);
168 void silc_server_send_notify_dest(SilcServer server,
169 SilcSocketConnection sock,
171 SilcIdType dest_id_type,
173 unsigned int argc, ...);
174 void silc_server_send_notify_to_channel(SilcServer server,
175 SilcChannelEntry channel,
177 unsigned int argc, ...);
178 void silc_server_send_notify_on_channels(SilcServer server,
179 SilcClientEntry client,
181 unsigned int argc, ...);
182 void silc_server_send_new_id(SilcServer server,
183 SilcSocketConnection sock,
185 void *id, SilcIdType id_type,
186 unsigned int id_len);
187 void silc_server_send_replace_id(SilcServer server,
188 SilcSocketConnection sock,
190 void *old_id, SilcIdType old_id_type,
191 unsigned int old_id_len,
192 void *new_id, SilcIdType new_id_type,
193 unsigned int new_id_len);
194 void silc_server_send_remove_channel_user(SilcServer server,
195 SilcSocketConnection sock,
197 void *client_id, void *channel_id);
198 void silc_server_replace_id(SilcServer server,
199 SilcSocketConnection sock,
200 SilcPacketContext *packet);
201 SilcChannelEntry silc_server_new_channel(SilcServer server,
202 SilcServerID *router_id,
203 char *cipher, char *channel_name);
204 SilcClientEntry silc_server_new_client(SilcServer server,
205 SilcSocketConnection sock,
206 SilcPacketContext *packet);
207 SilcServerEntry silc_server_new_server(SilcServer server,
208 SilcSocketConnection sock,
209 SilcPacketContext *packet);
210 void silc_server_new_id(SilcServer server, SilcSocketConnection sock,
211 SilcPacketContext *packet);
212 void silc_server_remove_channel_user(SilcServer server,
213 SilcSocketConnection sock,
214 SilcPacketContext *packet);